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Application of HOPG and CVD graphene as ion beam detectors (CROSBI ID 215645)

Prilog u časopisu | izvorni znanstveni rad | međunarodna recenzija

Kozubek, Roland ; Ochedowski, Oliver ; Zagoranskiy, Igor ; Karlušić, Marko ; Schleberger, Marika Application of HOPG and CVD graphene as ion beam detectors // Nuclear instruments & methods in physics research. Section B, Beam interactions with materials and atoms, 340 (2014), 81-84. doi: 10.1016/j.nimb.2014.07.034

Podaci o odgovornosti

Kozubek, Roland ; Ochedowski, Oliver ; Zagoranskiy, Igor ; Karlušić, Marko ; Schleberger, Marika

engleski

Application of HOPG and CVD graphene as ion beam detectors

Highly ordered pyrolytic graphite and graphene created via chemical vapor deposition have been irradiated with high energetic I6+ ions. By Raman mapping an increase of the ID/IG ratio could be identified which arises from the ion induced defects. This ratio grows with increasing fluence. Using this as a tool, HOPG and graphene can be utilized to determine the ion beam spot size and its homogeneity. Both systems seem to be suitable for size determination of the spot. But due to the much higher sensitivity of graphene to ion irradiation, more detailed information regarding the homogeneity of the beam can only be derived using this 2D system. By comparison of both systems we conclude, that CVD graphene is more suitable as an ion beam detector, while HOPG is sufficient for a rough spot size analysis.

swift heavy ions; graphene; HOPG; Raman spectroscopy

Rad je prezentiran na skupu 20th International Workshop on Inelastic Ion-Surface Collisions (IISC), održanom od 16.-21.02.2014. ; Australija.

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Podaci o izdanju

340

2014.

81-84

objavljeno

0168-583X

10.1016/j.nimb.2014.07.034

Povezanost rada

Fizika

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